Table 1. — Oil and Vitamin A in Selected, Pale-Colored Livers 

 of Male For Seals, Summer of 19^8: (Continued) 



Analyses of Individual Livers 



Sample Wei^t of liver Oil in liver Vitamin A potency of liver oil 



No"i Grams Percent "by weight "spec" units per gram of oil—/ 



32 822 5.31 Ul3,000 



2 8^9 5.26 Ul9,000 



19 1167 5.00 ^29,000 



35, 756 1^.37 ^30,000 



10 1266 U.85 lj-70,000 



te 8l<-3 5.6U 508,000 



30 8U7 5.13 628,000 



^ 892 U.70 63^^,000 



Mean 1060 3.91 137,310 



1/ 2000 X E (1 percent 1 cm, 328 m ma, isopropanol) 



Tal)le 2.— Summary of Data for 19U8 



Arithmetic 



Variate Observed range mean 



Wei^t of liver, grams 756 to 1,563 1,060 



Oil in liver, percent 2.76 to 5.6U 3.91 



Vitamin A potency of 



liver oil, "spec" units 



per gram 4,170 to 634,000 ' 137,000 



Literature Cited 

 BEAEKKAN, OLAF R. 



19^8. Vitamins in Whale Liver. Hvalrodets Skrifter (Oslo), 

 no. 32, p. 17. 



MITAUCHI, DAVID T. and SAilTOED, P. BHJCE 



19^7. Vitamin A Content of Far Seal Oils, Commercial Fisheries 

 Review, vol. 9, no. 11, pp. 5-8, November 19U7. 



SMPOED, F. BHJCE, KENTON, KARL W. and SCHEFFER, VICTOR B. 



I9U9. Vitamin A in Liver of the Alaska Pur Seal. Commercial 



Fisheries Review, vol. 11, no. h, pp. 9-15, J^ril 19^9. 



79651 6 



Interior—Daplicating Section, Washington, D, C. 



